essential oil的音標為[??sen?l ???]，基本翻譯為“精油；精華油”。速記技巧為：可以嘗試用“易修油”來快速記憶這個單詞。

Essential oil 的英文詞源：

Essential oil 這個詞匯源自拉丁語“essentialis”，意為“基本的，必要的”。而 oil 一詞則來自希臘語“oleos”，意為“油”。因此，essential oil 意為“基本油，必需油”。

變化形式：

1. 名詞形式：essential oil 或 oleo。

2. 形容詞形式：essential。

相關單詞：

1. Oil painting 油畫 - 油畫通常使用植物油或礦物油作為媒介。

2. Oil well 油井 - 用于開采石油的井。

3. Oil lamp 油燈 - 使用植物油作為燃料的燈具。

4. Oil painting paper 油畫紙 - 專為油畫使用的紙張。

5. Oil stain 油漬 - 由油類物質形成的污漬。

6. Oil furnace 油爐 - 使用植物油作為燃料的爐子。

7. Oil and water不相容 - 意為“水火不容”，形容兩種事物無法共存的關系。

8. Oil and gas混合物 - 石油和天然氣的混合物。

9. Oil tank 油罐 - 用于儲存石油的容器。

10. Oil slick 油膜 - 油膜是指漂浮在水面或空氣中的油狀薄膜。

常用短語：

1. essential oil extraction

2. essential oil blend

3. essential oil therapy

4. essential oil diffuser

5. essential oil massage

6. essential oil extraction method

7. essential oil usage

雙語例句：

1. The extraction process of essential oils is critical to the quality of the final product.

2. The blend of essential oils in this massage oil provides a relaxing and uplifting experience.

3. The therapeutic benefits of essential oils are well documented in traditional medicine.

4. Essential oils can be diffused into the air to create a calming atmosphere.

5. The use of essential oils in cooking adds a unique flavor to dishes.

6. There are various methods for extracting essential oils, but steam distillation is commonly used.

7. Essential oils are an integral part of many holistic health practices.

英文小作文：

Essential oils have been used for centuries for their therapeutic benefits. From relaxing massage to enhancing cooking flavors, essential oils have a wide range of applications. When selecting essential oils, it is important to consider the purpose and desired effect. For instance, a massage oil might include oils such as lavender, which is calming and relaxing, or peppermint, which is invigorating and uplifting. In cooking, oils such as rosemary or thyme can add a unique flavor to dishes. However, it is crucial to use essential oils responsibly and in moderation, as they can be irritants if used in excess or applied directly to the skin. Additionally, it is important to purchase essential oils from reputable sources to ensure quality and purity. Overall, essential oils are a powerful tool for enhancing the quality of life and can be used in various ways to create a more holistic and fulfilling experience.